Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center E Liquides 10 ml E liquide France ecigarette Cigusto Rhode Island Lawyers Release Infographic about the Danger of Electronic Cigarettes by d'Oliveira & Associates Medium Nonnicotine vapes may be marketed as safe, but many still contain chemicals, have unknown health effects, and aren't FDAregulated. Teens are using them more ofteneven alongside nicotine vapes. No ecigarette is risk free.